Thermador DWHD660WFP Instructions for Use - Page 13

Water softening system / special salt * To ensure good rinsing results, the dishwasher requires soft water, i.e. water which is low in lime, otherwise limescale will be deposited on the utensils and interior container. Tap water above 7° dH (1.2 mmol/l) must be softened. The water is softened with special salt (regeneration salt) in the water softening system of the dishwasher. The setting and therefore the required amount of salt depends on the degree of hardness of your tap water (see following water hardness table). * optional feature which may or may not be included with your dishwasher. Adjusting the water softener settings Using the test strip included with your Water soft- dishwasher ener setting (Purchased test strips may have a differ- ent scale) •:‹‹ •:‹, Add salt to salt dispenser No Yes Yes Yes Yes Yes Yes Yes Water hardness °E value mmol/l 0-8 9-10 11-12 13-15 16-20 21-26 27-38 39-62 0-1.1 1.2-1.4 1.5-1.8 1.9-2.1 2.2-2.9 3.0-3.7 3.8-5.4 5.5-8.9 Adjusting the water softening system The amount of salt dispensed can be set from •:‹‹ to •:‹ˆ. Salt is not required at the set value •:‹‹. Set the softening system as follows: 1. Ask your local water utility company for the water hardness value of the tap water. 2. Required setting can be found in the water hardness table. 3. Open the door. 4. Press the ON/OFF button (. 5. Press the Setup button for 3 seconds until •:‹‹ is shown on the display window H. 6. Make the selection with setting buttons + - P. 7. Press and hold the Setup button for 3 seconds. The chosen setting has now been stored. Using special salt As soon as the low salt indicator @ lights up on the digital display, salt should be topped off. Refilling the salt dispenser should be done before switching on the appliance. This ensures that extra salt water is washed out and will not corrode the rinsing tank. NOTICE: Detergent will destroy the water softening system! Never pour detergent into the salt dispenser. Top off the salt as follows: 1. Undo the screw plug on the dispenser 1Z. 2. Fill the dispenser with water (required only when switching on the appliance for the first time). 3. Add salt as illustrated (do not use table salt or tablets). The water is displaced and runs out. For more information about buying dishwasher salt, please contact Customer Service 1-800-944-2904. 13